...
Upgrade to version 4.00 using the Web-based upgrade and then follow the steps below to upgrade from version 4.00 to the version your you require
Release Notes and Instructions: v4.00 Release Notes
3.70 and 4.00 Firmware: v4.00 Firmware
...
...
Upgrade to version 4.00 using the Web-based upgrade and then follow the steps below to upgrade from version 4.00 to the version your you require
Release Notes and Instructions: v4.00 Release Notes
3.70 and 4.00 Firmware: v4.00 Firmware
...